UI: Don't open second dialog if close event is ignored

Affects Interact, Filter and Property dialogs.

UI/window-basic-main.cpp

@@ -2640,8 +2640,12 @@ void OBSBasic::UpdatePreviewScalingMenu()
 
 void OBSBasic::CreateInteractionWindow(obs_source_t *source)
 {
+	bool closed = true;
 	if (interaction)
-		interaction->close();
+		closed = interaction->close();
+
+	if (!closed)
+		return;
 
 	interaction = new OBSBasicInteraction(this, source);
 	interaction->Init();
@@ -2650,8 +2654,12 @@ void OBSBasic::CreateInteractionWindow(obs_source_t *source)
 
 void OBSBasic::CreatePropertiesWindow(obs_source_t *source)
 {
+	bool closed = true;
 	if (properties)
-		properties->close();
+		closed = properties->close();
+
+	if (!closed)
+		return;
 
 	properties = new OBSBasicProperties(this, source);
 	properties->Init();
@@ -2660,8 +2668,12 @@ void OBSBasic::CreatePropertiesWindow(obs_source_t *source)
 
 void OBSBasic::CreateFiltersWindow(obs_source_t *source)
 {
+	bool closed = true;
 	if (filters)
-		filters->close();
+		closed = filters->close();
+
+	if (!closed)
+		return;
 
 	filters = new OBSBasicFilters(this, source);
 	filters->Init();